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Vulnerabilities

Vulnerability · CVE-2026-3965

A security vulnerability has been detected in whyour qinglong up to 2.20.1.

Published Mar 12, 2026 · catalog updated Jun 17, 2026 · A security vulnerability has

Patch now

CVE-2026-3965 is in the CISA known-exploited catalog. Confirm A security vulnerability has against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A security vulnerability has).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Low2.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.48%
Remediation
Remediation guidance
Affected products
vendor whyour qinglong

A security vulnerability has been detected in whyour qinglong up to 2.20.1. Affected is an unknown function of the file back/loaders/express.ts of the component API Interface. The manipulation of the argument command leads to protection mechanism failure. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.20.2 is able to address this issue. The identifier of the patch is 6bec52dca158481258315ba0fc2f11206df7b719. It is advisable to upgrade the affected component. The code maintainer was informed beforehand about the issues. He reacted very fast and highly professional.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor whyour qinglongversion unspecified

How to fix CVE-2026-3965

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-3965 is in the CISA known-exploited catalog. Confirm A security vulnerability has against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-693: Protection Mechanism Failure. EPSS 0.48%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 12, 2026 · NIST NVD

    Detected

    A security vulnerability has been detected in whyour qinglong up to 2.20.1. Affected is an unknown function of the file back/loaders/express.ts of the component API Interface. The manipulation of the argument command leads to protection mechanism failure. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.20.2 is able to address th

  2. Apr 6, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Jun 17, 2026 · NIST NVD

    Updated

    A security vulnerability has been detected in whyour qinglong up to 2.20.1. Affected is an unknown function of the file back/loaders/express.ts of the component API Interface. The manipulation of the argument command leads to protection mechanism failure. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.20.2 is able to address th

Sources

  • CVE.orgVulnerability recordCVE-2026-3965

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3965

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-3965

    A security vulnerability has been detected in whyour qinglong up to 2.20.1. Affected is an unknown function of the file back/loaders/express.ts of the component API Interface. The manipulation of the argument command leads to protection mechanism failure. The attack may be initia

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-3965

    A security vulnerability has been detected in whyour qinglong up to 2.20.1. Affected is an unknown function of the file back/loaders/express.ts of the component API Interface. The manipulation of the argument command leads to protection mechanism failure. The attack may be initia

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.